Clinical Study
Reproducibility of Scleral Spur Identification and Angle Measurements Using Fourier Domain Anterior Segment Optical Coherence Tomography
Table 1
Frequency (%) where scleral spur landmark identification was within 80
m.
| | All eyes () by 2 observers (with adjudicator) | Open-angle eyes () by 2 observers (with adjudicator) | Nonopen-angle eyes () by 2 observers (with adjudicator) |
| -axis |
| All quadrants | 106 (85%)
| 44 (92%)
| 62 (82%)
|
| Horizontal | | | | Nasal | 25 (81%)
| 9 (75%)
| 16 (84%)
| Temporal | 28 (90%)
| 12 (100%)
| 16 (84%)
| Vertical | | | | Superior | 25 (81%)
| 11 (92%)
| 14 (74%)
| Inferior | 28 (90%)
| 12 (100%)
| 16 (84%)
|
| value (H versus V) | 1.000
| 0.3173
| 0.5271
|
| -axis |
| All quadrants | 108 (87%)
| 41 (85%)
| 67 (88%)
|
| Horizontal | | | | Nasal | 29 (94%)
| 11 (92%)
| 18 (95%)
| Temporal | 28 (90%)
| 11 (92%)
| 17 (89%)
| Vertical | | | | Superior | 27 (87%)
| 10 (83%)
| 17 (89%)
| Inferior | 24 (77%)
| 9 (75%)
| 15 (79%)
|
| value (H versus V) | 0.1088
| 0.1797
| 0.3173
|
| Both - and -axes |
| All quadrants | 96 (77%)
| 38 (79%)
| 58 (76%)
|
| Horizontal | | | | Nasal | 25 (81%)
| 9 (75%)
| 16 (84%)
| Temporal | 27 (87%)
| 11 (92%)
| 16 (84%)
| Vertical | | | | Superior | 22 (71%)
| 9 (75%)
| 13 (68%)
| Inferior | 22 (71%)
| 9 (75%)
| 13 (68%)
|
| value (H versus V) | 0.1025
| 0.4795
| 0.1336
|
|
|